# Build recipe for valgrind.
#
# Copyright (c) 2017 Mateus P. Rodrigues <mprodrigues@dragora.org>.
# Copyright (c) 2017-2022 Matias Fonzo, <selk@dragora.org>.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# Exit immediately on any error
set -e

program=valgrind
version=3.18.1
release=1

# Define a category for the output of the package name
pkgcategory=devel

tarname=${program}-${version}.tar.bz2

# Remote source(s)
fetch=ftp://sourceware.org/pub/valgrind/$tarname

description="
Generic framework for creating dynamic analysis tools.

Valgrind is an instrumentation framework for building dynamic analysis tools.
There are Valgrind tools that can automatically detect many memory management
and threading bugs, and profile your programs in detail. You can also use
Valgrind to build new tools.
"

homepage=https://valgrind.org/
license="GPLv2"

# Source documentation
docs="AUTHORS COPYING* FAQ.txt NEWS* README*"
docsdir="${docdir}/${program}-${version}"

build()
{
    unpack "${tardir}/$tarname"

    cd "$srcdir"

    # Set sane permissions
    chmod -R u+w,go-w,a+rX-s .

    # Set installation for documentation directory
    patch -p0 < "${worktree}/patches/valgrind/valgrind-docdir.patch"

    # Set specific options for the architecture
    case $arch in
    i?86)
        arch_options="--enable-only32bit --build=$(gcc -dumpmachine)"
        ;;
    amd64 | x32 )
        arch_options="--enable-only64bit --build=$(gcc -dumpmachine)"
        ;;
    esac

    # We do not try to strip any debugging symbol as
    # suggested in README_PACKAGERS

    # Copy definition in order to build Valgrind (Thanks to "Alpine Linux")
    cp -p "${worktree}/archive/valgrind/musl.supp" .

    ./configure CPPFLAGS="-D_FORTIFY_SOURCE=0" \
     CFLAGS="-no-pie -fno-PIE -fPIC" \
     CXXFLAGS="-no-pie -fno-PIE -fPIC" \
     LDFLAGS="" \
     $configure_args \
     --libdir=/usr/lib${libSuffix} \
     --infodir=$infodir \
     --mandir=$mandir \
     --docdir=$docsdir \
     --enable-tls \
     --enable-inner \
     --disable-ubsan \
     $arch_options

    unset -v arch_options

    make -j${jobs} V=1
    make -j${jobs} DESTDIR="$destdir" install

    # Remove installed Valgrind's documentation for reduce the package size
    rm -rf "${destdir}/$docsdir"

    # Strip ELF executables excluding shared objects (as suggested)
    find "$destdir" -type f | xargs file | awk '/ELF/ && /executable/' | \
     cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

    # Compress info documents deleting index file for the package
    if test -d "${destdir}/$infodir"
    then
        rm -f "${destdir}/${infodir}/dir"
        lzip -9 "${destdir}/${infodir}"/*
    fi

    # Compress and link man pages (if needed)
    if test -d "${destdir}/$mandir"
    then
        (
            cd "${destdir}/$mandir"
            find . -type f -exec lzip -9 {} +
            find . -type l | while read -r file
            do
                ln -sf "$(readlink -- "$file").lz" "${file}.lz"
                rm -- "$file"
            done
        )
    fi

    # Copy documentation
    mkdir -p "${destdir}/$docsdir"
    cp -p $docs "${destdir}/$docsdir"
}

